Bigstone Flexible Throat Mic Microphone Covert Acoustic Tube Earpiece Headset for iPhone&Android Cellphone and Gaming, Outdoor Sports COMFORTABLE TO WEAR: made by high-sensitivity air ducts and transparent silicone earmuffs, it reduces electronic radiation. The use of telescopic design and built-in noise cancellation compression sponge, you can also adjust the size to wear more comfortably Environmental-friendly,durable & fashion looking and the cable adopt imported TPE,durable and can guarantee long term use Since the microphone transmits directly from your throat, it is not sensitive to the background noise. This is exceptionally ideal for usage in high ambient environment such as driving, riding motorcycles and bicycles This is compatible with any device that 3.5mm jack is included, such as computer, cell phone UNIVERSAL COMPATIBILITY: compatible with all 3.5mm jack enabled devices, such as cell phone, smart phone, laptop, computer, android, iphone, gaming. (iPhone 4s / 5 / 5c / 5s / 6 / 6 Plus, ipad / mini / air 2 / 4, ipod nano / 5 / touch, Samsung galaxy S4 / S5, Note 2 / 3 / 4, M3, HTC, Motorola, Blackberry, etc. )